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CE1N2527E / 04.03.1999 Siemens Building Technologies
6/8 Landis & Staefa Division
–conformity to
EMC directive
Immunity
Emissions
Low voltage directive
Safety
89/336/EWG
EN 50082-2
EN 50081-1
73/23/EWG
EN 60730-1
Rated operating voltage AC 230 V
Frequency 50 Hz
Power consumption 8 VA
Degree of protection (cover closed) IP42 EN 60529
Safety class II EN 60730
Output relays
Rated voltage
Rated current
Contact current at AC 24...90 V
Contact current at AC 90...250 V
Rated current of ignition transformer
Switch-on current of ignition transformer
AC 230 V
2 (2) A
0.1...2 A, cos ϕ >0.6
0.02...2 A, cos ϕ >0.6
max. 1 A during max. 30 s
max. 10 A during max. 10 ms
Perm. ambient temperature
Transport and storage
Operation
-25...+65 °C
0...50 °C
Perm. cable lengths to the sensors and external
contacts
Copper cable 0.6 mm dia.
Copper cable 1.0 mm
2
Copper cable 1.5 mm
2
20 m
80 m
120 m
Perm. cable lengths to the room unit
Copper cable 0.25 mm
2
Copper cable from 0.5 mm
2
25 m
50 m
Bus loading characteristic E (LPB) 6
Backup of time switch 12 h min.
Weight (net) 1.1 kg
Basic connections on the low voltage side
AC 230 V
B9
B5
B7
2527A01
D1
D2
L
N
S2
H2
LPB
Basic connections on the mains voltage side
AC 230 V
2527A02
A6 Room unit QAW50 or QAW70 M1 Heating circuit pump
B1 Flow sensor N1 Controller RVL469
B5 Room sensor S1 Remote control operating mode
B7 Return sensor S2 Remote control flow temperature setpoint
B9 Outside sensor Y1 Actuator heating circuit
LPB Data bus
Technical data
Connection diagrams